Brocade Virtual ADX Server Load Balancing Guide (Supporting ADX v03.1.00) User Manual
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Brocade Virtual ADX Server Load Balancing Guide
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Using the debug filter command
B
Check ALL BPs to find the BP responsible for the test client:
telnet@Virtual ADX(debug-filter)#view bp 1 1
telnet@Virtual ADX(debug-filter-1-1)#sum
telnet@Virtual ADX(debug-filter-1-1)#view bp 1 2
telnet@Virtual ADX(debug-filter-1-2)#sum
telnet@Virtual ADX(debug-filter-1-2)#view bp 1 3
telnet@Virtual ADX(debug-filter-1-3)#sum
NOTHING SO FAR - CHECK THE NEXT AND LAST PROCESSOR TALKING ABOUT THE ADX1016-4:
telnet@Virtual ADX(debug-filter-1-3)#view bp 1 4
telnet@Virtual ADX(debug-filter-1-4)#sum
Number of packets captured: 20
pkt:1 IN len:112 TCP :3881 ->80 Seq:4047880146 Ack SYN
pkt:2 OUTlen:138 TCP :3881 ->80 Seq:4047880146 Ack SYN
pkt:3 IN len:112 TCP :80 ->3881 Seq:2434401979 Ack:4047880147 SYN ACK
pkt:4 OUTlen:138 TCP :80 ->3881 Seq:2434401979 Ack:4047880147 SYN ACK
pkt:5 IN len:106 TCP :3881 ->80 Seq:4047880147 Ack:2434401980 ACK
pkt:6 OUTlen:132 TCP :3881 ->80 Seq:4047880147 Ack:2434401980 ACK
pkt:7 IN len:152 TCP :3881 ->80 Seq:4047880147 Ack:2434401980 ACK PSH
pkt:8 OUTlen:178 TCP :3881 ->80 Seq:4047880147 Ack:2434401980 ACK PSH
pkt:9 IN len:106 TCP :80 ->3881 Seq:2434401980 Ack:4047880199 ACK
pkt:10 OUTlen:132 TCP :80 ->3881 Seq:2434401980 Ack:4047880199 ACK
pkt:11 IN len:423 TCP :80 ->3881 Seq:2434401980 Ack:4047880199 ACK PSH
pkt:12 OUTlen:449 TCP :80 ->3881 Seq:2434401980 Ack:4047880199 ACK PSH
pkt:13 IN len:106 TCP :3881 ->80 Seq:4047880199 Ack:2434402303 ACK
pkt:14 OUTlen:132 TCP :3881 ->80 Seq:4047880199 Ack:2434402303 ACK
pkt:15 IN len:106 TCP :3881 ->80 Seq:4047880199 Ack:2434402303 ACK FIN
pkt:16 OUTlen:132 TCP :3881 ->80 Seq:4047880199 Ack:2434402303 ACK FIN
pkt:17 IN len:106 TCP :80 ->3881 Seq:2434402303 Ack:4047880200 ACK FIN
pkt:18 OUTlen:132 TCP :80 ->3881 Seq:2434402303 Ack:4047880200 ACK FIN
pkt:19 IN len:106 TCP :3881 ->80 Seq:4047880200 Ack:2434402304 ACK
pkt:20 OUTlen:132 TCP :3881 ->80 Seq:4047880200 Ack:2434402304 ACK
The test client hits BP 1 4 and the summary is showing 20 packets related to the test request.
Packet #1 is the incoming TCP SYN packet, packet #2 is the same SYN packet but it is behind the
Brocade Virtual ADX (going to the real server). Each packet is visible twice because it exists before
and after the Brocade Virtual ADX (before SLB and after SLB).
The client HTTP request is part of packet #7 (after the 3-way handshake):
telnet@Virtual ADX(debug-filter-1-4)#ascii 7
Packet 7 captured at Oct 26 17:00:24 ; Packet size is 152(0x0098) bytes
In port: 15
fpga optimized: No
Ethernet Version II
Address: 0024.81f7.2f8f ---> 021b.ed3c.cb60
Ethernet II Protocol Type: IP
Internet Protocol
Version(MSB 4 bits): 4
Header length(LSB 4 bits): 5 (32-bit word)
Service Type: 0x00
Total length: 92 (Octets)
Fragment ID: 7207
Flags summary: 0x40